Hyped as the "Ultimate GEforce", the 1080 Ti is NVIDIA's latest flagship 4K VR ready GPU. It supersedes last years GTX 1080, offering a 30% increase in performance for a 40% premium (founders edition 1080 Tis will be priced at $699, pushing down the price of the 1080 to $499). It also supersedes the prohibitively expensive Titan X Pascal, pushing it off poll position in performance rankings. The 1080 Ti is based on the Pascal architecture and features a slightly modified version of the same flagship GP102 silicon found in the Titan X Pascal. It has 11GB of the high bandwidth GDDR5X video memory (versus 12GB in the Titan X Pascal) and an impressive 11GB frame buffer. Like the Titan X Pascal, it features 12bn transistors and 3584 CUDA cores which can run at a boost clock speed of 1.582 GHz – 3% faster than the Titan X Pascal's 1.531 GHz. This increased speed is partially attributable to the 1080 Ti’s new dualFET power system which allows the chip to run at higher power and more efficiently than ever before. The release of the 1080 Ti comes ahead of the competition from AMD's Vega - rumored for release in Q2 2017. Vega is AMD's next generation graphics card (following on from Polaris 10) featuring their new HBM2 die which is alleged to have eight times the capacity of GDDR5 with half of the footprint. NVDIA's own next generation graphics cards (Volta) are in the pipeline for 2018. [Mar '17GPUPro]

The AMD R9 Fury X sports a brand new Fiji GPU which succeeds Hawaii as AMD's new high end GPU (Hawaii powers the 290/X and 390/X series cards). The new GPU is coupled with High Bandwidth Memory (HBM) which is a new memory architecture that allows for significantly higher bandwidth than previous generations. The Fury X is factory overclocked and has a TDP of just 275W, 4GB of VRAM and it comes fitted with a water cooling system which results in a relatively small form factor for a top end graphics card. Although the Fury X only has 4GB of VRAM, this is rarely a problem for gaming even at 4K resolutions. The key comparable for the Fury X is Nvidia's similarly priced 980 Ti. Comparing the 980 Ti and Fury X shows that at stock clocks there is very little between the two cards but 980 Ti has significantly better overclocking potential where it leads by up to 25%. Overall the Fury X trades blows with the best GPUs currently available. [Jun '15GPUPro]

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We calculate effective 3D speed which estimates gaming performance for the top 12 games. Effective speed is adjusted by current prices to yield value for money. Our figures are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top GPUs. [GPUPro]

Welcome to our freeware PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best upgrades.